The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2011
Filed:
Sep. 02, 2008
Applicants:
Isao Fukuda, Fushimi-ku, JP;
Satoshi Kamide, Inuyama, JP;
Inventors:
Isao Fukuda, Fushimi-ku, JP;
Satoshi Kamide, Inuyama, JP;
Assignee:
Murata Machinery, Ltd., Kyoto-shi, Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 9/16 (2006.01); B66F 9/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mast includes two support columns each having nonuniform strength in a height direction. Both of upper and lower end portions of the mast have the highest strength, intermediate portions of the mast have the intermediate strength, and shoulder portions of the mast, between the central portion and both of the upper and the lower end portions, have the lowest strength.